凸(tu)緣(yuan)(yuan)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)屬于剛性(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)，是把(ba)兩(liang)(liang)個(ge)帶有(you)凸(tu)緣(yuan)(yuan)的(de)半(ban)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)用(yong)普通平(ping)鍵(jian)分別與兩(liang)(liang)軸(zhou)(zhou)(zhou)連(lian)接，然后用(yong)螺栓(shuan)把(ba)兩(liang)(liang)個(ge)半(ban)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)連(lian)成(cheng)一(yi)體，以傳(chuan)遞(di)運動(dong)和轉(zhuan)矩(ju)。這(zhe)種聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)有(you)兩(liang)(liang)種主要(yao)的(de)結(jie)構形式：靠(kao)鉸制孔用(yong)螺栓(shuan)來實現兩(liang)(liang)軸(zhou)(zhou)(zhou)對(dui)中和靠(kao)螺栓(shuan)桿承受(shou)擠(ji)壓與剪切來傳(chuan)遞(di)轉(zhuan)矩(ju)；靠(kao)一(yi)個(ge)半(ban)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)上的(de)凸(tu)肩與另一(yi)個(ge)半(ban)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)上的(de)凹槽相配合而(er)對(dui)中。連(lian)接兩(liang)(liang)個(ge)半(ban)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)的(de)螺栓(shuan)可以采用(yong)A級和B級的(de)普通螺栓(shuan)，轉(zhuan)矩(ju)靠(kao)兩(liang)(liang)個(ge)半(ban)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)結(jie)合面的(de)摩擦(ca)力矩(ju)來傳(chuan)遞(di)。凸(tu)緣(yuan)(yuan)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)結(jie)構簡(jian)單，制造方便(bian)，成(cheng)本較(jiao)(jiao)低，工(gong)作可靠(kao)，裝拆、維護均較(jiao)(jiao)簡(jian)便(bian)，傳(chuan)遞(di)轉(zhuan)矩(ju)較(jiao)(jiao)大，能保(bao)證兩(liang)(liang)軸(zhou)(zhou)(zhou)具(ju)有(you)較(jiao)(jiao)高(gao)的(de)對(dui)中精度，一(yi)般常(chang)用(yong)于載(zai)荷(he)(he)平(ping)穩，高(gao)速或傳(chuan)動(dong)精度要(yao)求較(jiao)(jiao)高(gao)的(de)軸(zhou)(zhou)(zhou)系傳(chuan)動(dong)。凸(tu)緣(yuan)(yuan)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)不具(ju)備徑向(xiang)(xiang)、軸(zhou)(zhou)(zhou)向(xiang)(xiang)和角向(xiang)(xiang)補償。剛性(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)是一(yi)種扭轉(zhuan)剛性(xing)(xing)的(de)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)，即使承受(shou)負載(zai)時(shi)也無任何回轉(zhuan)間隙，即便(bian)是有(you)偏差產生負荷(he)(he)時(shi)，剛性(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)還(huan)是剛性(xing)(xing)傳(chuan)遞(di)扭矩(ju)。